From patchwork Tue Aug 11 03:32:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Levinsky X-Patchwork-Id: 253962 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCEC5C433E3 for ; Tue, 11 Aug 2020 03:32:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BAD2E206DA for ; Tue, 11 Aug 2020 03:32:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="hw14WBPC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728250AbgHKDc2 (ORCPT ); Mon, 10 Aug 2020 23:32:28 -0400 Received: from mail-dm6nam11on2050.outbound.protection.outlook.com ([40.107.223.50]:21472 "EHLO NAM11-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727951AbgHKDc0 (ORCPT ); Mon, 10 Aug 2020 23:32:26 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Krt3met7FdpDjCBdxM9CxIFdl0CRZp9OjLaQy/MfYc8ChjeiNi8hdhNxfR1R8jaEm8SLFrQOOnXZwKLaISG5QdZ8VNqW3QoS/MKcTpt2cFb41BGxMtNOX3uIp2KDba2JBOFvKFU/z8+qdPMbKaqT7CKOWceM435ybFJYVjpcvLXIIHpAfcaQul6XAHUNVZzTSFwTqO1oppGenIuYdaw0OpZitb8UiMRl6qew7B5gseMgk88XrUsZaxYChrDmvlRqGP0OQsDZukjTcyELs49Yw0vLg82Ny5aDbVC4YWcEtBD70cKEv8PY1W10kbJWKHXdAywayLM8lTOKcqr2hdFb9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SEdA5MsFpqG5rs1CAktgtjDjK9YRV5hVDrmuPPYU0C8=; b=mS9WJFoyuGNikxRrjZNpcDSziK6jUy2DjI9fAbZAgHvJX7n7xSn1wVjmGkoZWXCddJrnWNd+1JrLCECku8o7D/+8A4AgsM1gzK2TKaAnXOGCakuDl5C/4qNICMTeAWge7SGtXY/qsJ/0F++mIpsZ1JmPuyRrQA3Da2+82eL4SSY7AalWXfKQruiPCvZOz71LJCoqOt3ff5H5m52XJ7rCIg7yGkbLtVLrq0Qn7Ot/lWWabGdZsbnlz7ZqSNYnKv2fvK9gUimrAM2Emp24mXyDuPkoeCy5T425yiFuhzt5tA0oomaeq9HokxPzA8CPid+WaTjHorOTGTM43Eh8V/TeHg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.60.83) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=xilinx.com; dmarc=bestguesspass action=none header.from=xilinx.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SEdA5MsFpqG5rs1CAktgtjDjK9YRV5hVDrmuPPYU0C8=; b=hw14WBPCKnxp1sHGoOQBvl3bfDh6QSzSQNzikHzju0pJGr/ScX4s8I4LEbN/Z2m4W3x9tJvrAgTeVK+09G0RQFLrWPPKn8C/xH2XjU3FQRYzusDA+OKZUaofKvq07AS70tz1IsK+IZFeqvntXDjzvvSjhwbzXScxiRMgDyPJXb4= Received: from CY4PR08CA0045.namprd08.prod.outlook.com (2603:10b6:903:151::31) by BYAPR02MB5575.namprd02.prod.outlook.com (2603:10b6:a03:a6::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.22; Tue, 11 Aug 2020 03:32:21 +0000 Received: from CY1NAM02FT028.eop-nam02.prod.protection.outlook.com (2603:10b6:903:151:cafe::66) by CY4PR08CA0045.outlook.office365.com (2603:10b6:903:151::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.18 via Frontend Transport; Tue, 11 Aug 2020 03:32:21 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 149.199.60.83) smtp.mailfrom=xilinx.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.60.83 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.83; helo=xsj-pvapsmtpgw01; Received: from xsj-pvapsmtpgw01 (149.199.60.83) by CY1NAM02FT028.mail.protection.outlook.com (10.152.75.132) with Microsoft SMTP Server id 15.20.3261.19 via Frontend Transport; Tue, 11 Aug 2020 03:32:21 +0000 Received: from [149.199.38.66] (port=60887 helo=smtp.xilinx.com) by xsj-pvapsmtpgw01 with esmtp (Exim 4.90) (envelope-from ) id 1k5L1K-0000hw-H4; Mon, 10 Aug 2020 20:32:14 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1k5L1R-0004hE-3a; Mon, 10 Aug 2020 20:32:21 -0700 Received: from [172.19.2.206] (helo=xsjblevinsk50.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1k5L1J-0004gc-7n; Mon, 10 Aug 2020 20:32:13 -0700 From: Ben Levinsky To: stefanos@xilinx.com, michals@xilinx.com Cc: devicetree@vger.kernel.org, mathieu.poirier@linaro.org, ed.mooring@xilinx.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, wendy.liang@xilinx.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 3/5] firmware: xilinx: Add RPU configuration APIs Date: Mon, 10 Aug 2020 20:32:11 -0700 Message-Id: <20200811033213.20088-4-ben.levinsky@xilinx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200811033213.20088-1-ben.levinsky@xilinx.com> References: <20200811033213.20088-1-ben.levinsky@xilinx.com> X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: ef34c190-f547-4af6-0b56-08d83da72809 X-MS-TrafficTypeDiagnostic: BYAPR02MB5575: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:2089; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 4SK3ES24WSe1HOav1uLarPCuvl+PB8M6BFnFIu34wn61b+Y2cwsIVFG8Gg/V386mT3hhm5EbgwHH35AUejRBZJDtq0lmtCe0YZOF7lH5DghE+bln72iLADhfSZ3/4JK61f4irgFI550I+PPReG41cPSoLxCCcbpKLKeiL2CiXRFe6Y23lKzrauH8Yte7hGf1Yvz9DeAiaJvzqqHfv+5c3/7s6kLAEcgSYWt7kbngzgFPfCcF7k0+0GyDQIaODCaJ3VBX7kT/QSnSSwNIDc4xEwK9/BtrjX6aA1WGPkMSr18ywdGXa9MY2RzHyWjxtFrz01QUZWQOkvDV2tB2IHI0goRu2P1+vXFeXz82mhpOJWtsoKWfR6JMlMU5oRcK2pmxFZ/bvFzth1iUA/kjZfYRRQ== X-Forefront-Antispam-Report: CIP:149.199.60.83; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:xsj-pvapsmtpgw01; PTR:unknown-60-83.xilinx.com; CAT:NONE; SFTY:; SFS:(39860400002)(346002)(376002)(136003)(396003)(46966005)(81166007)(356005)(6636002)(1076003)(8936002)(82310400002)(2906002)(70206006)(47076004)(478600001)(2616005)(316002)(36756003)(186003)(26005)(5660300002)(426003)(44832011)(70586007)(82740400003)(7696005)(4326008)(83380400001)(8676002)(336012)(9786002); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2020 03:32:21.3369 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ef34c190-f547-4af6-0b56-08d83da72809 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT028.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR02MB5575 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds APIs to provide access and a configuration interface to the current power state of a sub-system on Zynqmp sub-system. Signed-off-by: Ben Levinsky --- v3: - add xilinx-related platform mgmt fn's instead of wrapping around function pointer in xilinx eemi ops struct v4: - add default values for enums --- drivers/firmware/xilinx/zynqmp.c | 99 ++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 34 ++++++++++ 2 files changed, 133 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index f1a0bd35deeb..fdd61d258e55 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -846,6 +846,61 @@ int zynqmp_pm_release_node(const u32 node) } EXPORT_SYMBOL_GPL(zynqmp_pm_release_node); +/** + * zynqmp_pm_get_rpu_mode() - Get RPU mode + * @node_id: Node ID of the device + * @arg1: Argument 1 to requested IOCTL call + * @arg2: Argument 2 to requested IOCTL call + * @out: Returned output value + * + * Return: RPU mode + */ +int zynqmp_pm_get_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, + IOCTL_GET_RPU_OPER_MODE, 0, 0, out); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_get_rpu_mode); + +/** + * zynqmp_pm_set_rpu_mode() - Set RPU mode + * @node_id: Node ID of the device + * @ioctl_id: ID of the requested IOCTL + * @arg2: Argument 2 to requested IOCTL call + * @out: Returned output value + * + * This function is used to set RPU mode. + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_set_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, + IOCTL_SET_RPU_OPER_MODE, 0, 0, out); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode); + +/** + * zynqmp_pm_tcm_comb_config - configure TCM + * @node_id: Node ID of the device + * @arg1: Argument 1 to requested IOCTL call + * @arg2: Argument 2 to requested IOCTL call + * @out: Returned output value + * + * This function is used to set RPU mode. + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_set_tcm_config(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, + IOCTL_TCM_COMB_CONFIG, 0, 0, out); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config); + /** * zynqmp_pm_force_powerdown - PM call to request for another PU or subsystem to * be powered down forcefully @@ -881,6 +936,50 @@ int zynqmp_pm_request_wakeup(const u32 node, } EXPORT_SYMBOL_GPL(zynqmp_pm_request_wakeup); +/** + * zynqmp_pm_get_node_status - PM call to request a node's current power state + * @node: ID of the component or sub-system in question + * @status: Current operating state of the requested node + * @requirements: Current requirements asserted on the node, + * used for slave nodes only. + * @usage: Usage information, used for slave nodes only: + * PM_USAGE_NO_MASTER - No master is currently using + * the node + * PM_USAGE_CURRENT_MASTER - Only requesting master is + * currently using the node + * PM_USAGE_OTHER_MASTER - Only other masters are + * currently using the node + * PM_USAGE_BOTH_MASTERS - Both the current and at least + * one other master is currently + * using the node + * + * Return: status, either success or error+reason + */ +int zynqmp_pm_get_node_status(const u32 node, + u32 *status, u32 *requirements, + u32 *usage) + +{ + u32 ret_payload[PAYLOAD_ARG_CNT]; + int ret; + + if (!status) + return -EINVAL; + + ret = zynqmp_pm_invoke_fn(PM_GET_NODE_STATUS, node, 0, 0, 0, + ret_payload); + if (ret_payload[0] == XST_PM_SUCCESS) { + *status = ret_payload[1]; + if (requirements) + *requirements = ret_payload[2]; + if (usage) + *usage = ret_payload[3]; + } + + return ret; +} +EXPORT_SYMBOL_GPL(zynqmp_pm_get_node_status); + /** * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves * @node: Node ID of the slave diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 4d83a7d69c4c..0caca9e2223a 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -64,6 +64,7 @@ enum pm_api_id { PM_GET_API_VERSION = 1, + PM_GET_NODE_STATUS = 3, PM_FORCE_POWERDOWN = 8, PM_REQUEST_WAKEUP = 10, PM_SYSTEM_SHUTDOWN = 12, @@ -384,6 +385,14 @@ int zynqmp_pm_request_wakeup(const u32 node, const bool set_addr, const u64 address, const enum zynqmp_pm_request_ack ack); +int zynqmp_pm_get_node_status(const u32 node, u32 *status, + u32 *requirements, u32 *usage); +int zynqmp_pm_get_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out); +int zynqmp_pm_set_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out); +int zynqmp_pm_set_tcm_config(u32 node_id, + u32 arg1, u32 arg2, u32 *out); #else static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) { @@ -548,6 +557,31 @@ static inline int zynqmp_pm_request_wakeup(const u32 node, { return -ENODEV; } + +static inline int zynqmp_pm_get_node_status(const u32 node, + u32 *status, u32 *requirements, + u32 *usage) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_get_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_set_rpu_mode(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_set_tcm_config(u32 node_id, + u32 arg1, u32 arg2, u32 *out) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */